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    Loss of gas - Ingham 10 Jul 2024 12: 30 PM
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    Severn Trent Water

    Biomethane case study

    Severn Trent Water's Martin Lightfoot talks about their experience

    We have five biomethane projects with Severn Trent which produce biogas from sewage, food waste and crops.

    Martin Lightfoot, Renewable Energy Engineer at Severn Trent Water, provides an insight into these projects and his experience of the process.

    The subject of biomethane has been covered in various trade magazines that I read.

    Yes!

    Because of the financial benefit of the renewable heat incentive.

    We are very pleased that our Minworth biomethane plant has exceeded our predicted returns.

    Cadent was flexible and worked with Severn Trent Water to develop innovative solutions such as blending point calorific value (CV) measurement to greatly reduce the need to add propane at Minworth.

    A two year return on investment was achieved.

    Currently c. 800 SM3/hr at Minworth.

    This is forecast to increase with four new plants to 2,500 SM3/hr in 2017.

    Another three plants producing 600 SM3/hr are currently in the planning stage.

    Implementing blending point CV measurement to greatly reduce the need to add propane at Minworth was particularly challenging. Cadent was flexible and worked with us to develop solutions which were industry firsts.

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